PION

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AcronymDefinition
PIONPioneer
PIONPi-Meson (binding of a specific quark-antiquark pair)
PIONPosterior Ischemic Optic Neuropathy (ophthalmology)
PIONPolycrystalline Iron Oxide Nanoparticles
PIONPrimary Idiopathic Optic Neuritis (ophthalmology)
PIONPolycrystalline Iron Oxide Nanocompounds
References in classic literature ?
Of the pioneers in that far Arctic wilderness, where all men were pioneers, he was reckoned among the oldest.
It is impossible for me to say what terrific meaning was hidden in the words of this brown forester, but I know that the other passengers looked on in a sort of admiring horror, and that presently the boat was put back to the wharf, and as many of the Pioneers as could be coaxed or bullied into going away, were got rid of.
Just so had her mother been an amazement to her generation--her mother, the toy-like creature, the smallest and tha youngest of the strapping pioneer brood, who nevertheless had mothered the brood.
Besides, in addition to the pioneers, there are four soldiers and a brigadier, armed with muskets."
Mounting on the breach, with his musket in one hand and his hat in the other, he said, bowing courteously and addressing the soldiers and the pioneers, who, astonished at this apparition, stopped fifty paces from the bastion: "Gentlemen, a few friends and myself are about to breakfast in this bastion.
It is difficult to do justice to the courage, fortitude, and perseverance of the pioneers of the fur trade, who conducted these early expeditions, and first broke their way through a wilderness where everything was calculated to deter and dismay them.
He is a native of Kentucky, and of game descent; his maternal grandfather, Colonel Wheatley, a companion of Boon, having been one of the pioneers of the West, celebrated in Indian warfare, and killed in one of the contests of the "Bloody Ground." We shall frequently have occasion to speak of this Sublette, and always to the credit of his game qualities.
The pioneers and laborers were, in the army of this man, a body full of ideas and zeal, because their commander treated them like soldiers, knew how to render their work glorious, and never allowed them to be killed if he could help it.
"The labors of these hardy pioneers of science are now about to be knit together by the daring project of Dr.
Also, it met the telephone pioneers at every point because it, too, was a WIRE company.
It may be that across the immensity of space the Martians have watched the fate of these pioneers of theirs and learned their lesson, and that on the planet Venus they have found a securer settlement.
Precaution, 1820; The Spy, 1821; The Pioneers, 1823; The Pilot, 1823; Lionel Lincoln, or the Leaguer of Boston, 1825; The Last of the Mohicans, 1826; The Prairie, 1827; The Red Rover, 1828; Notions of the Americans, 1828; The Wept of Wish-ton-Wish, 1829; The Water-witch,